Easy Application & Removal:No Retaining Ring: High elasticity opening holes allow for easy pull-on and off, ensuring non-painful application and removal while maintaining blood circulation. Superior Water Resistance:Medical-Grade Silicone Diaphragm Seal: Made with tight elastic rubber that is durable and tear-resistant, keeping casts and bandages dry during showers and other water activities. Safe & Reusable:Non-Latex Material: Completely free from latex, ensuring no skin irritation and suitable for repeated use. Designed for Safety:PVC/TPU Material: Ideal for chemotherapy patients, bathing, and showering. Safe for individuals recovering from injuries, surgeries, or skin problems. Adult Size: Accommodates leg, knee, foot, or ankle circumferences between 11.8" to 20.8" (30 to 53 cm). Product Features: Comfortable Design: Eliminates the traditional retaining ring for increased comfort. Improved Sealing Material: Neoprene offers better elasticity and softness, reducing pressure at the seal. Reliable Performance: PVC (TPU) and neoprene rubber are molded together for a more reliable and aesthetically pleasing design that does not accumulate water. Dimensions: The item length is 19.5 inches (500 mm), fitting upper arm circumferences from 11.8 to 20.8 inches (30 to 53 cm). Material: Composed of Neoprene + TPUP, ensuring durability. Weight: The package weighs approximately 190g.